First, create a new Client object.

首先，创建一个新的 Client 对象。

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Applications publish through an MQTT client object.

应用程序通过MQTT客户对象发布消息。

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This code is used to access the Client object when handling a user request.

处理用户请求时，使用这段代码来访问Client对象。

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The underwriting client may not object--it may be thrilled to see its stock bounce up the first day--but it's still leaving money on the table.

FORBES: Second helpings